10.1371/journal.pone.0124441.g004 Muhammad Amir Bakhtavar Muhammad Amir Bakhtavar Irfan Afzal Irfan Afzal Shahzad Maqsood Ahmed Basra Shahzad Maqsood Ahmed Basra Azraf-ul-Haq Ahmad Azraf-ul-Haq Ahmad Mehmood Ali Noor Mehmood Ali Noor Crop growth rate of spring maize in relation to exogenous application of growth promoting substances. Public Library of Science 2015 kinetin leaf area index leaf area duration foliar spray crop growth rate emergence foliar spray treatment temperature extremes content ei foliar spray maximally spring maize fep Optimum Sowing Conditions Low temperature chlorophyll 100 mg L performance establishment mle 2015-04-30 03:35:00 Figure https://plos.figshare.com/articles/figure/_Crop_growth_rate_of_spring_maize_in_relation_to_exogenous_application_of_growth_promoting_substances_/1399758 <p>(Kin; Kinetin, MLE; Moringa leaf extract, P+F; Priming followed by foliar spray.) Vertical bars are standard error of means. Letters on the legends indicate significant (<i>P</i><0.05) difference among physiological strategies.</p>